Measurement of the differential cross-sections of inclusive, prompt and non-prompt J/psi production in proton-proton collisions at sqrt(s) = 7 TeV

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Abstract

The inclusive J/ψ production cross-section and fraction of J/ψ mesons produced in B-hadron decays are measured in proton–proton collisions at sqrt(s) = 7 TeV with the ATLAS detector at the LHC, as a function of the transverse momentum and rapidity of the J/ψ, using 2.3 pb−1 of integrated luminosity. The cross-section is measured from a minimum pT of 1 GeV to a maximum of 70 GeV and for rapidities within |y| < 2.4 giving the widest reach of any measurement of J/ψ production to date. The differential production cross-sections of prompt and non-prompt J/ψ are separately determined and are compared to Colour Singlet NNLO, Colour Evaporation Model, and FONLL predictions.

Autore Pugliese

Tutti gli autori

  • G. AAD , M. BIANCO , G. CHIODINI , M. R. COLUCCIA , E. GORINI , M. PRIMAVERA , S. SPAGNOLO , A. VENTURA , ET AL.

Titolo volume/Rivista

NUCLEAR PHYSICS. B

Anno di pubblicazione

2011

ISSN

0550-3213

ISBN

Non Disponibile

Numero di citazioni Wos

138

Ultimo Aggiornamento Citazioni

28/04/2018

Numero di citazioni Scopus

149

Ultimo Aggiornamento Citazioni

28/04/2018

Settori ERC

Non Disponibile

Codici ASJC

Non Disponibile